iMac G3 (Early 2001) vs iMac G4 20 (Late 2003)

iMac G3 (Early 2001) $899
iMac G4 20 (Late 2003) $2,199
Base Price (MSRP)
$899
Base Price (MSRP)
$2,199
CPU
PowerPC 750L 400MHz
CPU
PowerPC 7455 1250MHz
GPU
Rage 128 Pro
GPU
GeForce FX 5200 Ultra Mac
Memory
64MB
Memory
256MB
Storage
10GB
Storage
80GB
Display
13.8" CRT 1024x768 -
Display
20" LCD TN 1680x1050 -
PowerPC 750L 400MHz
1 Core
1 Thread
0.4GHz Clock
PowerPC 7455 1250MHz
1 Core
1 Thread
1.25GHz Clock
N/A
0%
N/A
0%
N/A
0%
N/A
0%
Rage 128 Pro
2 Shaders
125MHz
33MB SGRAM
2.3GB/s Bandwidth
GeForce FX 5200 Ultra Mac
4 Shaders
325MHz
128MB DDR
10.4GB/s Bandwidth
N/A
0%
N/A
0%
N/A
0%
N/A
0%
64MB
SDR-100
256MB
DDR-333
Unknown # Tabs
0%
Unknown # Tabs
0%
10GB
3.5"
PATA
5400RPM
80GB
3.5"
PATA
7200RPM
Unknown # min 4K Video
0%
90 min 4K Video
2%
24x CD-ROM
Slot Loading
4x SuperDrive
Tray Loading
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13.8"
CRT
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20"
LCD TN
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150 Nits
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230 Nits
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75Hz
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60Hz
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1024x768
0.8 Million Pixels
93 PPI
1680x1050
1.8 Million Pixels
99 PPI
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CCFL Backlight
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800:1 Contrast
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No Cameras
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No Cameras
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Apple Pro Keyboard
Apple Keyboard
Apple Pro Mouse
Apple Mouse
Not Included
Not Included
Not Included
Not Included
No Biometrics
No Biometrics
2
2
1
1
No Cellular
No Cellular
No Wi-Fi
No Wi-Fi
No Bluetooth
Bluetooth 1.1
56K Modem
56K Modem
No Sensors
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No Sensors
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Integrated Chipset
Integrated Chipset
Data
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2x USB 1.0 (12Mbps)
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2x FireWire 400
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Data
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3x USB 2.0 (480Mbps)
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2x FireWire 400
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Network
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1x Ethernet (100Mbps)
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Network
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1x Ethernet (100Mbps)
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Video
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1x VGA
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Video
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1x mini-VGA
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Audio
4x Audio Jack
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Audio
2x Audio Jack
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150W
190W
Not Included
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Not Included
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No Battery
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No Battery
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Mac OS 9.1 Fortissimo
Mac OS X 10.3 Panther
Mac OS X 10.4 Tiger (Latest)
Mac OS X 10.5 Leopard (Latest)
Build Material
Plastic
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Build Material
Plastic
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Height
381 mm (15 in)
Width
381 mm (15 in)
Depth
434 mm (17.1 in)
Volume
63.05 L
Height
531 mm (20.9 in)
Width
513 mm (20.2 in)
Depth
270 mm (10.6 in)
Volume
73.54 L
Weight
15.74 kg (34.7 lb)
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Weight
18.189 kg (40.1 lb)
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CPU
Not Upgradable
CPU
Not Upgradable
GPU
Not Upgradable
GPU
Not Upgradable
Memory
Upgradable
Memory
Upgradable
Storage
Upgradable
Storage
Upgradable
Wi-Fi
Upgradable
Wi-Fi
Upgradable
Motherboard
Not Upgradable
Motherboard
Not Upgradable
Power Supply
Not Upgradable
Power Supply
Not Upgradable
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Memory Slots
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1x SO-DIMM
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M5521
EMC 1857
PowerMac4,1
A1065
EMC 1992
PowerMac6,3
Change Comparison